Pontoon: Update Swedish (sv-SE) localization of AMO
Pontoon: Update Swedish (sv-SE) localization of AMO

Localization authors:
- Andreas Pettersson <az@kth.se>

psiinon/addons-server,bqbn/addons-server,eviljeff/olympia,psiinon/addons-server,bqbn/addons-server,psiinon/addons-server,mozilla/addons-server,diox/olympia,diox/olympia,mozilla/olympia,wagnerand/addons-server,eviljeff/olympia,bqbn/addons-server,mozilla/addons-server,mozilla/olympia,mozilla/olympia,wagnerand/addons-server,psiinon/addons-server,eviljeff/olympia,mozilla/addons-server,bqbn/addons-server,diox/olympia,wagnerand/addons-server,mozilla/addons-server,eviljeff/olympia,wagnerand/addons-server,diox/olympia,mozilla/olympia